Wamsutter, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wamsutter, a town in Sweetwater County, Wyoming.
Tonight
28°F
Mostly Cloudy
Mostly cloudy. Low around 28, with temperatures rising to around 33 overnight. Southeast wind around 6 mph.
7-day forecast for Wamsutter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 28°F | Mostly Cloudy | 6 mph SE | 4% |
| Wednesday | 45°F | Cloudy | 3 to 9 mph NE | 5% |
| Wednesday Night | 24°F | Partly Cloudy | 2 to 7 mph NNW | 1% |
| Thursday | 46°F | Mostly Sunny | 2 to 7 mph SSW | 0% |
| Thursday Night | 28°F | Mostly Cloudy | 6 mph SW | 1% |
| Friday | 46°F | Mostly Sunny | 6 to 13 mph WSW | 1% |
| Friday Night | 27°F | Mostly Clear | 7 mph SW | 2% |
| Saturday | 49°F | Sunny | 5 to 9 mph SW | 0% |
| Saturday Night | 28°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Sunday | 53°F | Sunny | 10 to 15 mph SSW | 0% |
| Sunday Night | 31°F | Partly Cloudy | 10 mph SSW | 0% |
| Monday | 54°F | Mostly Sunny | 7 to 13 mph SSW | 0% |
| Monday Night | 32°F | Partly Cloudy | 7 mph SSW | 0% |
| Tuesday | 55°F | Mostly Sunny | 7 to 12 mph WSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Wamsutter (41.668, -107.979). Updated through the day.
Growing snapshot for Wamsutter
Last spring frost
Jun 5
First fall frost
Sep 14
Growing season
101 days
Hardiness zone
4b
More local growing data for Wamsutter: nearby ZIP 82336 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Arrowhead Springs
Bairoil
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Farson
Granger
Green River
James Town
Little America
McKinnon
North Rock Springs
Point of Rocks
Purple Sage
Reliance
Rock Springs
Superior
Table Rock
Climate data from the nearest NOAA station, Wamsutter, Wy (12 mi from Wamsutter). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.